<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登陆</title>
</head>
<body>
    <form style="text-align: center">
        账号:<input type="text" name="username">
        <br />
        密码:<input type="password" name="password">
        <br />
        <input type="submit" value="submit">
    </form>
</body>
</html>